Websites Powered by Optimizely
65,722 websites tracked using Optimizely (A/B Testing) · www.optimizely.com
Optimizely is a tool for running A/B and multivariate experiments to compare page variants. Its official site is optimizely.com. PoweredBy tracks the websites that use Optimizely across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the a/b testing ecosystem.
Usage trend
10K
20K
30K
Apr 2018
May 2020
Jun 2022
Jul 2024
Aug 2026
Domains observed using Optimizely in each month's HTTP Archive crawl,
Apr 2018 to Aug 2026 · peak 29,730 in Sep 2024. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2 s
INP 100 ms
CLS 0.05
TTFB 800 ms
Median site among 31,825 Optimizely sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
25,512
Canada
6,167
India
4,899
United Kingdom
4,567
Australia
4,029
Germany
3,412
France
3,284
Spain
3,112
Sites using Optimizely by audience country, Chrome UX Report.
Top sites by authority
9+
8% · 31 of 372 sites
8+
5% · 401 of 7,677 sites
7+
2% · 1,141 of 45,712 sites
6+
2% · 1,788 of 110,136 sites
5+
1% · 2,572 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Optimizely in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Optimizely
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1801 | haisha-yoyaku-blog.jp | 3.78/10 | - | - | Apr 2018 |
| 1802 | hellomillions.com | 3.92/10 | - | - | Feb 2024 |
| 1803 | heydude.com | 5.34/10 | 194,200 | 95,455 | Apr 2024 |
| 1804 | homecredit.ph | 4.85/10 | - | - | Nov 2025 |
| 1805 | hondacarindia.com | 4.41/10 | - | - | Feb 2024 |
| 1806 | house-protect.net | 1.36/10 | - | - | May 2022 |
| 1807 | hsbc.com.mx | 5.86/10 | 5,200 | 4,916 | Dec 2021 |
| 1808 | hungryhowies.com | 5.29/10 | 329,600 | 75,418 | May 2024 |
| 1809 | idmobile.co.uk | 5.53/10 | 1,300 | 4,306 | Nov 2023 |
| 1810 | ilmakiage.com | 4.69/10 | - | - | Jun 2023 |
| 1811 | interrail.com | 2.47/10 | - | - | Jul 2026 |
| 1812 | invisalign.com.vn | 4.17/10 | - | - | Nov 2021 |
| 1813 | irishjobs.ie | 5.80/10 | 5,400 | 5,900 | Apr 2018 |
| 1814 | ironplanet.com | 4.73/10 | - | - | Feb 2025 |
| 1815 | jan-magazine.nl | 6.08/10 | 120 | 713 | Oct 2024 |
| 1816 | jansport.com | 5.96/10 | 105,600 | 22,437 | Aug 2021 |
| 1817 | jazztel.com | 4.69/10 | - | - | Apr 2025 |
| 1818 | jbhifi.co.nz | 5.47/10 | 1,100 | 4,319 | May 2023 |
| 1819 | jbl.com.br | 4.69/10 | - | - | Feb 2019 |
| 1820 | katespadeoutlet.com | 3.77/10 | - | - | Nov 2023 |
| 1821 | keter.com | 5.31/10 | 55,000 | 11,830 | Jul 2026 |
| 1822 | kipling.com | 5.11/10 | 54 | 161 | Sep 2025 |
| 1823 | kondomeriet.no | 3.45/10 | - | - | Mar 2024 |
| 1824 | kumapon.jp | 5.32/10 | 1 | 8 | Apr 2018 |
| 1825 | leopalace21.com | 4.93/10 | - | - | Oct 2022 |
| 1826 | lesliespool.com | 4.75/10 | - | - | Apr 2025 |
| 1827 | lge-ku.com | 5.30/10 | 73,900 | 15,189 | Mar 2023 |
| 1828 | litter-robot.com | 6.00/10 | 370,600 | 68,012 | Jul 2025 |
| 1829 | livelo.com.br | 5.95/10 | 890 | 1,084 | Sep 2023 |
| 1830 | livingspaces.com | 5.98/10 | 360,200 | 203,209 | Apr 2018 |
| 1831 | ltur.com | 4.76/10 | - | - | Apr 2018 |
| 1832 | luckybrand.com | 5.92/10 | 284,100 | 90,356 | Jun 2018 |
| 1833 | marriottvacationclub.com | 4.60/10 | - | - | Sep 2021 |
| 1834 | mavis.com | 4.77/10 | - | - | Dec 2023 |
| 1835 | mcluck.com | 4.82/10 | - | - | Jan 2024 |
| 1836 | meny.no | 6.11/10 | 1,500 | 1,286 | Nov 2023 |
| 1837 | mi-mollet.com | 5.50/10 | 85 | 59 | Apr 2018 |
| 1838 | michaelpage.co.in | 5.06/10 | 840 | 1,194 | Mar 2024 |
| 1839 | midnightvelvet.com | 2.17/10 | - | - | Oct 2024 |
| 1840 | mobiles.co.uk | 5.29/10 | 4,000 | 4,535 | Jun 2024 |
| 1841 | modernliving.jp | 5.31/10 | 13 | 83 | Oct 2024 |
| 1842 | motosport.com | 5.22/10 | 72,300 | 66,794 | Jun 2018 |
| 1843 | naturallife.com | 4.40/10 | - | - | May 2026 |
| 1844 | nautica.com | 5.29/10 | 74,500 | 56,092 | Oct 2023 |
| 1845 | nescafe-dolcegusto.com.br | 4.67/10 | - | - | Mar 2024 |
| 1846 | netce.com | 4.10/10 | - | - | Sep 2024 |
| 1847 | netcredit.com | 5.37/10 | 224,000 | 6,704 | Jun 2018 |
| 1848 | newbalance.co.uk | 5.79/10 | 8,200 | 8,098 | May 2019 |
| 1849 | newbalance.com.au | 5.72/10 | 7,300 | 3,134 | Sep 2022 |
| 1850 | newbalance.de | 5.06/10 | 470 | 656 | Jun 2019 |
| 1851 | newbalance.es | 4.75/10 | - | - | May 2019 |
| 1852 | newbalance.eu | 4.74/10 | - | - | Jul 2019 |
| 1853 | newbalance.fr | 5.19/10 | 380 | 1,093 | May 2019 |
| 1854 | newbalance.it | 4.20/10 | - | - | May 2019 |
| 1855 | ninjatransfers.com | 5.99/10 | 30,500 | 20,460 | Nov 2023 |
| 1856 | odbm.org | 5.49/10 | 46,000 | 21,243 | Mar 2025 |
| 1857 | omaze.co.uk | 4.65/10 | - | - | Aug 2021 |
| 1858 | oppa35035.com | - | - | - | Aug 2026 |
| 1859 | ove.com | 2.67/10 | - | - | Apr 2018 |
| 1860 | petsmart.ca | 5.39/10 | 40,300 | 10,168 | Jun 2023 |
| 1861 | pgatoursuperstore.com | 5.33/10 | 348,300 | 92,579 | Apr 2018 |
| 1862 | pizzahut.ca | 5.55/10 | 2,400 | 3,969 | Oct 2021 |
| 1863 | playfame.com | 2.83/10 | - | - | Mar 2025 |
| 1864 | prima.co.uk | 5.59/10 | 7,800 | 16,284 | Oct 2024 |
| 1865 | purina.com.mx | 3.38/10 | - | - | Jan 2025 |
| 1866 | purplebricks.co.uk | 5.28/10 | 660 | 2,930 | Apr 2018 |
| 1867 | quantumfiber.com | 4.42/10 | - | - | Dec 2023 |
| 1868 | raymourflanigan.com | 5.15/10 | 266,300 | 103,940 | Jan 2025 |
| 1869 | rbauction.com | 5.97/10 | 43,400 | 30,303 | Apr 2018 |
| 1870 | reliaslearning.com | 5.57/10 | - | - | Apr 2018 |
| 1871 | rentacenter.com | 4.75/10 | - | - | Jan 2021 |
| 1872 | repco.co.nz | 3.88/10 | - | - | Dec 2023 |
| 1873 | riogrande.com | 5.27/10 | 46,000 | 23,498 | Jul 2022 |
| 1874 | rkguns.com | 3.05/10 | - | - | Jul 2026 |
| 1875 | robinson.com | 5.99/10 | 720 | 360 | Feb 2020 |
| 1876 | rvtrader.com | 5.27/10 | 1,057,900 | 226,158 | Mar 2021 |
| 1877 | saloncentric.com | 5.29/10 | 182,100 | 85,274 | Nov 2023 |
| 1878 | screwfix.fr | 3.16/10 | - | - | May 2025 |
| 1879 | seedheritage.com | 4.09/10 | - | - | Nov 2023 |
| 1880 | seventhavenue.com | 3.14/10 | - | - | Oct 2024 |
| 1881 | sonnenklar.tv | 4.87/10 | - | - | Jul 2023 |
| 1882 | sophia.org | 5.82/10 | 73,300 | 50,614 | Aug 2024 |
| 1883 | spinblitz.com | 2.99/10 | - | - | Apr 2025 |
| 1884 | spoiledchild.com | 3.05/10 | - | - | Jul 2023 |
| 1885 | sprayground.com | 4.06/10 | - | - | Jun 2023 |
| 1886 | stargames.de | 4.93/10 | - | - | Jan 2024 |
| 1887 | stoneberry.com | 2.72/10 | - | - | Jun 2018 |
| 1888 | stratco.com.au | 5.41/10 | 4,900 | 18,515 | Aug 2021 |
| 1889 | studio.co.uk | 4.15/10 | - | - | May 2024 |
| 1890 | tapi.co.uk | 5.32/10 | 3,400 | 8,905 | Jan 2024 |
| 1891 | tilebar.com | 5.27/10 | 110,400 | 34,216 | Oct 2023 |
| 1892 | tombola.es | 4.00/10 | - | - | Nov 2023 |
| 1893 | topfarmacia.it | 3.91/10 | - | - | Feb 2026 |
| 1894 | transunion.co | 3.34/10 | - | - | Aug 2018 |
| 1895 | tripadeal.com.au | 3.96/10 | - | - | Feb 2022 |
| 1896 | tsukulink.net | 3.52/10 | - | - | Aug 2018 |
| 1897 | turners.co.nz | 3.99/10 | - | - | Aug 2024 |
| 1898 | uline.ca | 5.12/10 | 1,700 | 5,208 | Jun 2023 |
| 1899 | uline.mx | 2.98/10 | - | - | Jun 2023 |
| 1900 | villagehouse.jp | 4.73/10 | - | - | Nov 2019 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
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